6 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... iodine scan – get ... #Hyperthyroid # ... Diagnosis #Algorithm
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Algorithm Absence ... compression) • Hypothyroidism ... #Algorithm #Causes ... #OBGyn #Gynecology
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis ... Algorithm Central ... • Isolated TSH ... • Severe Iodine ... #causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Algorithm No onset ... Etiology - High FSH ... Hyperprolactinemia • Hypothyroidism ... #Algorithm #Causes ... #OBGyn #Gynecology
Causes of Female Infertility - Differential Diagnosis Algorithm
Uterus - HSG or SHG or hysteroscopy:
 • Fibroids/polyps
Causes of Female ... Algorithm Uterus ... Hypopituitarism: • Hypothyroidism ... #Algorithm #Causes ... #Obstetrics #OBGyn